Graphs
Tables
Equations
Unit Rates
Ratios/Proportions
100
What is the following point on the graph called? (0,0)
Origin
100
Amber work at an ice cream shop. Her wages and hours are shown below in the chart. Does this table represent a constant of proportionality?
Hours (x) Wages (y)
2 16
4 32
6 48
YES
100
k = _____
y/x
100
It costs $29.75 to buy 8.5 pounds of cherries. What is the unit price per pound?
$3.50
100
Jack counts 4 red cars for every 20 blue cars. What is the ratio of red to blue cars? Write as a fraction in simplest form.
1/5
200
What are the two rules of a line on a graph that show the line is proportional?
1) Go through the origin
2) Be a straight line
200
What is the constant of proportionality shown in the table?
(x) (y)
2 10
4 20
6 30
K = 5
200
What is the constant of proportionality for the equation y = 0.5x
0.5
200
It costs $14.95 to buy a 5 pound bag of coffee. It costs $23.12 to buy a 8 pound bag of coffee? Which is the better buy?
8 pound bag of coffee
200
Noah cooks 5 hamburgers for every 3 hotdogs. What is the ratio of hamburgers to total food cooked? Write as a fraction in simplest form.
5/8
300
What is the constant of proportionality of this graph? 
K = 40
300
What is the constant of proportionality shown in the table?
(x) (y)
12 4
6 2
9 3
0.33 or
1/3
300
Rachel walks dogs on the weekends. If the equation y = 9x represents the amount of money, y, she earns from walking x number of dogs. How much money does she make after walking 5 dogs?
$45
300
Amy rides her bike 4 miles in 3/4 hours. How many miles can she ride in 1 hour?
5 1/3
300
Are the following ratios proportional?
1/6
4/28
NO
400
What does the point (6, 12) mean?
In 6 minutes there 12 commercials.
400
Find the constant of proportionality
20
400
Write an equation to represent this situation if the cost is proportional to the number of pounds of ham.
y = 4x
400
Amy can paint 1/2 a room is 1/4 of an hour. How much can she paint in 1 hour?
2 rooms
400
Workdays to leisure days come in a ratio of 5 to 2 If a man take 14 leisure days, How many work days did he have to work?
35
500
What is the constant of proportionality?
1/2
500
Jean has $20 in her savings account. Starting next week, she will deposit $3 in her account every week. Is the amount of money in her account proportional to the number of weeks?
NO
500
The total cost of cherries, y, is proportional to the number of pounds of cherries, x. The equation that represents this scenario is. y = 3x
If the total cost of cherries is $24, how many pounds of cherries did they buy?
8 pounds
500
John can run 3/4 of a mile in 1/3 of an hour. How far can he run in 1 hour?
2 1/4
500
The ratio of people to square miles in Alaska is 5 to 1. How many people would live on 250 square miles?
1250 people